head to head · open source
ECC vs mex
ECC has 298,664 GitHub stars, 44,137 forks, 238 open issues and last shipped 2 days ago. mex has 1,794 stars, 152 forks, 53 open issues and last shipped 4 days ago. ECC leads on adoption by 16,548% (298,664 vs 1,794 stars). ECC is written in JavaScript under MIT; mex is written in TypeScript under MIT. ECC has attracted 15% as many forks as stars, mex 8%. ECC was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (claude-code, developer-tools), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ECC | mex | |
|---|---|---|
| GitHub stars | ★ 299K | ★ 1.8K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-06 | 2026-11-04 |
| Forks | ⑂ 44K | ⑂ 152 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 299K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick mex if
- You want the mex feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and mex fits your workflow better
About ECC
Language: English العربية Português (Brasil) 简体中文 繁體中文 日本語 한국어 Türkçe Русский Tiếng Việt ไทย Deutsch Español Українська Polski বাংলা [!WARNING] Official sources only. Install ECC only from verified channels: the GitHub repository github.com/affaan m/ECC, the npm packages ecc universal and ecc agentshield , the GitHub App, the plugin slug ecc@ecc , and the project website ecc.tools. Third party re uploads and unofficial mirrors are not maintained or reviewed by the project and may contain malware. Install with Claude Code Use the guided setup or native plugin commands. Both install the same ecc@ecc plugin. Choose…
About mex
Shared project memory for engineers and their coding agents. MEX keeps your team's architecture, decisions, requirements, and handoffs alongside the code. Engineers and their agents can build on shared context, review proposed changes, and carry work between sessions and teammates—with Git as the sharing layer. English 简体中文 Español Português (Brasil) Team memory · A teammate handoff example · Project Hub · Quick start · How it works · Command map One engineer knows why a constraint exists. Another has the debugging history. A coding agent found an important edge case in a session nobody else will read. The next…
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Frequently asked questions
Is ECC or mex more popular?
ECC has 298,664 GitHub stars and mex has 1,794. ECC has the larger community by that measure.
Are ECC and mex free?
Both are open source. ECC is licensed under MIT and mex under MIT. Neither carries a licence fee.
What is the difference between ECC and mex?
ECC is written in JavaScript and mex in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ECC or mex?
Choose ECC if you want the larger community (298,664 stars) or its MIT licence terms. Choose mex if its feature set, stack or MIT licence fits better. Both are self-hostable.